Home / 619,428.42-929,055.15-198,649.62

Finding the Fourth Proportional to 619,428.42, 929,055.15 and 198,649.62

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Solution

The fourth proportional to 619,428.42, 929,055.15 and 198,649.62 is: 297,946.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,428.42 : 929,055.15 = 198,649.62 : x
  2. Step 2: Convert to fraction form
    619,428.42/929,055.15 = 198,649.62/x
  3. Step 3: Cross multiply
    619,428.42x = 929,055.15 × 198,649.62
  4. Step 4: Simplify right side
    619,428.42x = 184,556,452,506.54
  5. Step 5: Solve for x
    x = 184,556,452,506.54/619,428.42
  6. Step 6: Final answer
    x = 297,946.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.